Charges Related To Restructuring Activities Narrative (Details) - USD ($)	3 Months Ended				9 Months Ended
	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restructuring Cost and Reserve [Line Items]
Charges	$ 703,000	$ 4,987,000	$ 3,283,000	$ 508,000	$ 8,973,000	$ 1,299,000
Restructuring and Related Activities, Expected Payout Period					12 months
Payments	(3,432,000)	(2,549,000)	(2,251,000)	(2,190,000)	$ (8,232,000)
Severance
Restructuring Cost and Reserve [Line Items]
Charges	792,000	4,486,000	3,136,000
Payments	(3,134,000)	(2,360,000)	(2,155,000)
Contract Termination
Restructuring Cost and Reserve [Line Items]
Charges		501,000	147,000
Payments	(298,000)	(189,000)	(96,000)
Europe
Restructuring Cost and Reserve [Line Items]
Payments	(916,000)	(340,000)	(190,000)
Europe | Severance
Restructuring Cost and Reserve [Line Items]
Charges	686,000	514,000	690,000
Payments	(916,000)	(340,000)	(190,000)
Europe | Contract Termination
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0
Payments	0	0	0
Asia/Pacific
Restructuring Cost and Reserve [Line Items]
Charges	187,000	545,000
Payments	(186,000)	(658,000)	(228,000)
Asia/Pacific | Severance
Restructuring Cost and Reserve [Line Items]
Charges	187,000	545,000	351,000
Payments	(186,000)	(658,000)	(228,000)
Asia/Pacific | Contract Termination
Restructuring Cost and Reserve [Line Items]
Charges	0	0	0
Payments	0	0	0
NA/HME
Restructuring Cost and Reserve [Line Items]
Charges		3,928,000	2,242,000	490,000	6,000,000	1,213,000
Payments	(2,330,000)	(1,551,000)	(1,584,000)
NA/HME | Severance
Restructuring Cost and Reserve [Line Items]
Charges		3,427,000	2,095,000		5,441,000	808,000
Payments	(2,032,000)	(1,362,000)	(1,488,000)
NA/HME | Contract Termination
Restructuring Cost and Reserve [Line Items]
Charges		501,000	147,000		559,000	405,000
Payments	(298,000)	(189,000)	(96,000)
NA/HME | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Effect on Future Earnings, Amount					4,000,000
Europe [Member] | Severance
Restructuring Cost and Reserve [Line Items]
Charges	686,000	$ 514,000	690,000		1,890,000
All Other
Restructuring Cost and Reserve [Line Items]
Payments			(249,000)
All Other | Severance
Restructuring Cost and Reserve [Line Items]
Payments			(249,000)
All Other | Contract Termination
Restructuring Cost and Reserve [Line Items]
Payments			0
Asia/Pacific
Restructuring Cost and Reserve [Line Items]
Charges	$ 187,000			$ 18,000	1,083,000	86,000
Asia/Pacific | Severance
Restructuring Cost and Reserve [Line Items]
Charges			$ 351,000		$ 1,083,000	$ 86,000